'PACKAGED^BOILER-TREATMENT tontlnueil i1 farthest away from the burner.

November 28, 1935 Mr.

" tlilll -'ast,v Ifti * V ,v %|>0 w- % M- ' iiSi >;: -.v-.-.f'i t IS' }V- - :V - January 28* 1936 . ' ' :/V ' Hr* Sheldon S* Yates Chicle Development Company $00 Fifth Avenue Hew YorkClty NewYork

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January IS, 1939 Mr.

H&:*- - ** t BOARD OF EDUCATION Business Department Cleveland, Ohio E.

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March 31, 1930 Dr.

HarrisonRadiat or^Division G EN E R A L M O T O R S C O R P O R A T I O N L O C K P O R T NEW YORK October 21, 1938 Diet. 10-20-38 Dr.

Hardison.

WAITER'H.

JOHN W.

A, 1/ ( ' ' - - I f - t 1-** \ GAMBLE CO M P AN Y C I N C I N N A T I , O. , U.

SAFETY DIVISION Ro b e r t A.

Jije al Assonaimt n r t Jf SOfitr b ttn i S t r i c t <Itrago September 20, 1930, Dr.